MARINE ENGINES

This 427 cubic inch motor uses a DART SHP block bored 4.125 and plate honed for maximum performance. Mains are aligned honed and block is machined on CNC Mill for stroker crank. The 6.0 inch H-Beam rods and 4.0 inch stroke crank are both made of 4340 material. In addition to this stout bottom end, this engine has 220cc fully ported AFR aluminum heads and has an already tested 100hp Top Shot NOS kit installed. Be sure to watch the engine dyno video at the bottom of the page!